high idle

I have an odd and seemingly unresolved problem... no matter what I've tried. First things first... I have an FSM, I have used all of my Google superpowers, replacement parts are all OEM (even the replacement tubes, lines, sensors, etc) and now I'm asking for help. The problem: I have a 96...

Ok so this is an on-going saga that has been happening with BeBe since I rebuilt the top end in 2015/2016. She is a 85 FJ60 with the original 2F in her, desmogged when I first got her due to the smog pump being seized. Issue: - Truck will idle high after it has warmed up. Talking between...

So I have an issue where my truck runs fine when cool and after a few minutes of driving but anything longer than say 10 minutes the engine wants to run at very high idle at all times. Almost 2000 rpm. Anyone had this issue before?

Does anyone know if it is possible to temporarily input a modified signal to the IAC valve to initiate high idle? I'm thinking this might be pretty easy on my OBD1 1fz-fe.

I changed my plugs, wires distributor, rotor and distributor O-ring today. It was hot, but it went well other than jacking with that #6 plug. I had a couple of questions about my experience. I'm an extreme amateur so these may be very basic questions. 1. I split the PCV hose at the end that...